(2y-1)/3-(10y+1)/6=(2y+1),5x/12=(2x-1)/4-1 1/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1
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(2y-1)/3-(10y+1)/6=(2y+1),5x/12=(2x-1)/4-11/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1(2y-1)/3-(10y+1)/6
(2y-1)/3-(10y+1)/6=(2y+1),5x/12=(2x-1)/4-1 1/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1
(2y-1)/3-(10y+1)/6=(2y+1),5x/12=(2x-1)/4-1 1/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1
(2y-1)/3-(10y+1)/6=(2y+1),5x/12=(2x-1)/4-1 1/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1
(2y-1)/3-(10y+1)/6=(2y+1)
2(2y-1)-10-1=12y+6
-8y=19
y=-19/8
5x/12=(2x-1)/4-1
5x=4(2x-1)
-3x=-4
x=4/3
1/3[3y-(10-7y)/2]-1/2[2y-(2y+2)/3]=y/2-1
y-(10-7y)/6-y+(2y+2)/6=y
-(10-7y)+2y+2=6y
3y=8
y=8/3
y (3y^2+8y-3)-6y(3y+2y-1)+9y
[T,Y]=ode45(@rigid,[0 1],[rand(15,1)]);plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.',T,Y(:,4),'-',T,Y(:,5),'-.',T,Y(:,6),'.',T,Y(:,7),'-',T,Y(:,8),'-.',T,Y(:,9),'.',T,Y(:,10),'-',T,Y(:,11),'-.',T,Y(:,12),'-.',T,Y(:,13),'.',T,Y(:,14),'-',T,Y(:,15),'.')
3Y-2=Y+1+6Y
3y+2=y-1+6y 不要分数
通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
3y+2=1+6y
3y+2=1+6y
常微分方程的通解dy/dx=(x-y+1)/(x+y-3)y^4=2y^n+y=0y''+6y'+9y=e^(-3x)y''+y'-2y=4e^(2x)
(y-2)(y^2-6y-9)-y(y^2-2y-15),其中y=1/2.先化简再求值.
4y(y-1)=3 3y^2+2√6y=-2
解3y+5/3y-6=1/2+5y-4/2y-4
(3y-1)(2y-3)+(6y-5)(y-4)=?xie
(3y-1)(2y-3)+(6y+5)(y-4)=?
(y+1)分之(2y+3)=(3y+4)分之(6y+7)
2(x+y)-3(x-y)=1 6(x+y)+(x-y)=51